000 AGXX40 KNHC 030638 MIMATS MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 138 AM EST MON DEC 03 2007 MARINE WEATHER DISCUSSION FOR GULF OF MEXICO...CARIBBEAN SEA AND SOUTHWEST NORTH ATLC S OF 31N W OF 55W. GULF OF MEXICO... COLD FRONT HAS MOVED OFF THE TEXAS COAST AND CURRENTLY EXTENDS FROM NEAR CAMERON LOUISIANA SWWD TO JUST S OF CORPUS CHRISTI TEXAS. CMAN SITES PTAT2 AND SBPT2 BOTH REPORTING NLY WINDS NEAR 20 KT. COLD FRONT WILL SWEEP SE AND EXTEND FROM W-CENTRAL FLORIDA THROUGH THE CENTRAL GULF TO 21N97W BY THIS EVENING THEN BECOME DIFFUSE BY LATE TUE FROM S FLORIDA TO 19N96W. WEAK HIGH PRESS BUILDS OVER THE SW GULF IN ITS WAKE. NWP MODELS IN AGREEMENT IN THAT NLY WINDS REACH 25-30 KT LATER TODAY INTO EARLY TUE BEFORE DECREASING SIGNIFICANTLY LATE TUE AND TUE NIGHT. ON WED HIGH PRESS SETTLES OVER THE GULF ALONG 25N. LOWERING SFC PRESSURES OVER THE PLAINS WED NIGHT AND THU ALLOWS FOR RETURN SLY FLOW TO RESUME W OF 90W. RETURN FLOW THEN SPREADS OVER THE REMAINDER OF THE GULF LATER THU INTO FRI. WINDS OF 20 KT WILL BE CONFINED TO THE TEXAS COAST THU AND THU NIGHT. SW N ATLC... SWLY WINDS ALREADY BEGINNING TO INCREASE TO 20 KT OVER THE FAR NW PORTION OF THE AREA AHEAD OF AN ADVANCING COLD FRONT. WINDS SHOULD INCREASE FURTHER TO 20-25 KT LATER TODAY AS THE COLD FRONT EMERGES OFF THE FL/GA COAST. FRONT SHOULD EXTEND FROM 31N75W TO NE FLORIDA BY THIS EVENING AND SWEEP RAPIDLY EWD BY LATE TUE EXTENDING FROM BERMUDA/30N65W TO S FLORIDA AND DISSIPATE TUE NIGHT. WINDS SHIFT TO NWLY 20-25 KT BEHIND THE FRONT TONIGHT AND DECREASE RAPIDLY TO 10-15 KT BY LATE TUE. SWLY FLOW RESUMES OVER THE N PORTION OF THE AREA WED AND INCREASES TO 20 KT WED NIGHT IN ADVANCE OF A CLIPPER TYPE SYSTEM APPROACHING THE MID ATLC STATES. AS SYSTEM MOVES OFF THE COAST THU WINDS BECOME LIGHT BEFORE TURNING TO THE SW ONCE AGAIN FRI. ATLC HIGH PRESS BUILDING IN FROM THE E ALLOWS NE TRADE WINDS TO INCREASE OVER THE FAR SE PORTION OF THE AREA FRI POSSIBLY REACHING 20-25 KT. THE OTHER FORECAST CONCERN OF NOTE IS A LARGE INTENSE STORM SYSTEM OVER THE N ATLC NEAR 45N45W WHICH IS PRODUCING LARGE NE SWELLS OVER THE AREA E OF 70W. THESE SWELLS ARE EXPECTED TO TRANSLATE SWD AND IMPACT THE MONA AND ANEGADA PASSAGES INTO THE CARIBBEAN ON TUE WITH SEAS NEAR 10 FT...POSSIBLY HIGHER IN THE PASSAGES. THE SEAS WILL SUBSIDE WED AND THU BEFORE PICKING UP AGAIN ON FRI. CARIBBEAN AND TROPICAL N ATLC.... A 2334 UTC QUIKSCAT PASS AS WELL AS A 0130 UTC ASCAT PASS WERE INSTRUMENTAL IN DEPICTING NE WINDS OF 20-25 KT FUNNELING THROUGH THE ATLANTIC PASSAGES INTO THE CARIBBEAN. AS THE FLOW TURNS MORE ELY LATER TODAY THE FUNNELED WINDS SHOULD DECREASE MARKEDLY. LIGHT WINDS SHOULD PREVAIL OVER MOST OF THE AREA TUE...HOWEVER AS NOTED ABOVE SWELLS FROM THE W ATLC ARE EXPECTED TO TRANSLATE SWD AND IMPACT THE MONA AND ANEGADA PASSAGES INTO THE CARIBBEAN AND THE N PORTION OF THE TROPICAL N ATLC ON TUE WITH SEAS NEAR 10 FT...POSSIBLY HIGHER IN THE PASSAGES AND THE TROPICAL ATLC. AS HIGH PRESS BUILDS WWD IN THE ATLC A MORE NORMAL TRADE WIND REGIME ENSUES LATE WED INTO THU. WINDS INCREASE ON FRI WITH THE POTENTIAL FOR MORE FUNNELED WINDS INTO THE ATLANTIC PASSAGES. IN ADDITION SWELLS WILL ONCE AGAIN IMPACT THE AREA REACHING 10-11 FT OVER THE N TROPICAL ATLC AND E ATLANTIC PASSAGES. WARNINGS... ATLANTIC... NONE. CARIBBEAN... NONE. GULF OF MEXICO... NONE. FORECASTER COBB